⎯ 16 ⎯6 F 2 S 0 7 5 8FuseGRD140Figure 2.1.7 Feeder Protection Coordinated with FusesConfiguring the inverse time element OC1 (and EF1) and time graded elements OC2 and OC3 (orEF2 and EF3) as shown in Figure 2.1.8, the characteristic of overcurrent protection can beimproved to coordinate with the fuse characteristic.Current (amps)Time (s)OC2OC3FuseOC1Figure 2.1.8 Staged Definite Time Protection